Radeon HD 4850 and Mobility Radeon HD 3850 - video card comparison
Radeon HD 4850
Mobility Radeon HD 3850
Architecture
Terascale 1 (2008−2010)
RV6xx (2007−2010)
GPU code name
RV770
M88
Market segment
Desktop
Laptop
Release date
June 2008
December 2007
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
-
Core clock speed
625 MHz
580 MHz
Floating-point performance
1,000.0 gflops
371.2 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
956 million
666 million
Pipelines / CUDA cores
800
320
Power consumption (TDP)
110 Watt
55 Watt
Texture fill rate
25.00
9.280
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
993 MHz
750 MHz
Memory bandwidth
63.55 GB/s
48 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
10.1 (10_1)
OpenCL
1.1
N/A
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A